A nice Ruby interface to your system's MIDI services.
MIDIator was inspired by Topher Cyll's fantastic Practical Ruby Projects
book. In it, Topher describes how to interact with the MIDI providers
in OSX, Linux, and Windows. As I was reading the book, I noticed some
things I would do differently, which got me thinking that maybe it
would be valuable to package up my modifications to the book's code and
release it as a gem.

Ruby Music and Midi App there are currently two different apps one for playing live and the other for writing to a midi file..Currently working on creating the chord System and is requesting ideas that you the user would like to see come out of a app like this..